I lost my sense of taste a few years ago, from a combination of extreme stress and the flu. Lasted about a week, and it was utterly terrifying. I first noticed it when I tried to eat, iirc scrambled eggs, and couldn't stop gagging on the texture. Once I figured out what was going on, it took a couple days to figure out what I could eat without retching. I ended up being entirely vegetarian - meat without taste is a h…
I remember when it came back. Someone made me a cup of tea (I'm British) and I rhapsodised for about 5 minutes about what an excellent cup of tea it was. Up until then, I couldn't really detect any difference between tea and coffee.